CN107666190A - Motor, fan and rotor thereof - Google Patents
Motor, fan and rotor thereof Download PDFInfo
- Publication number
- CN107666190A CN107666190A CN201610652197.6A CN201610652197A CN107666190A CN 107666190 A CN107666190 A CN 107666190A CN 201610652197 A CN201610652197 A CN 201610652197A CN 107666190 A CN107666190 A CN 107666190A
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- wheel hub
- motor
- motor rotor
- rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001746 injection moulding Methods 0.000 claims abstract description 12
- 230000000994 depressogenic effect Effects 0.000 claims description 23
- 230000002093 peripheral effect Effects 0.000 claims description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
A motor, a fan and a rotor thereof are used for solving the problem that the service life of the existing motor, fan and rotor thereof is short. The rotor of the motor comprises a rotating shaft and a hub. The two ends of the rotating shaft in an axial direction are respectively a first end part and a second end part. The hub is coated on the periphery of the first end part in an injection molding mode, and is provided with a concave part which is aligned with the first end part along the axial direction. Wherein, in a radial direction perpendicular to the axial direction, an inner diameter of a portion of the recess portion adjacent to the first end portion is smaller than an outer diameter of the first end portion.
Description
Technical field
It is especially a kind of to have by injection molding mode the present invention relates to ventilation technical field, it is coated on rotating shaft
The motor rotor of the wheel hub of periphery, the motor provided with the motor rotor and the fan including the motor.
Background technology
A kind of prior art motor rotor 9 shown in Fig. 1 is refer to, the motor rotor 9 includes a rotating shaft 91 and one
Wheel hub 92, the wheel hub 92 are arranged at the periphery of rotating shaft 91.The wheel hub 92 is available for setting multiple blades 93, revolves the motor rotor 9
When turning, the plurality of wind dispelling of blade 93 can be utilized, to produce air-flow；Or the wheel hub 92 can also need to be by the horse provided with other
The component for driving and rotating up to rotor 9.
The wheel hub 92 can take shape in the periphery of rotating shaft 91 by injection molding mode.Before the wheel hub 92 is molded, it is necessary to
With an instrument（Such as：Thimble）An end 911 of the rotating shaft 91 is fixed on, to limit the position of the rotating shaft 91.Whereby, should
Wheel hub 92 can be coated on the periphery of rotating shaft 91 by injection molding mode, and ensure that the rotating shaft 91 convexedly stretches in the wheel hub 92
Outer length meets predetermined dimension.Wherein, to shape the position where the plastics of the wheel hub 92 can not fill the instrument, therefore
The wheel hub 92 will form a depressed part 921 in the end 911 of the rotating shaft 91 so that the outer peripheral face of the end 911 and the wheel hub
92 junction forms exposed.
But the motor rotor 9 can apply to the motor with oiliness bearing, due to the end 911 outer peripheral face with
The junction of the wheel hub 92 is exposed, and under the long-time use of motor rotor 9, the oil body in the oiliness bearing may be by this
The junction of the outer peripheral face of end 911 and the wheel hub 92 is oozed out into outside the motor rotor 9, thus shortens the oiliness bearing
It in the life-span, also it is possible to cause the motor rotor 9 to be stained, or will cause to loosen between the rotating shaft 91 and the wheel hub 92, and then influence
The service life of the motor rotor 9, the motor provided with the motor rotor 9 or the fan including the motor.
By above content, prior art motor rotor 9 has the problem of service life is shorter, has really further
Necessity of improvement.
The content of the invention
The present invention provides a kind of motor rotor, the motor provided with the motor rotor and the fan including the motor, the motor
Rotor can be by the outer peripheral face of one rotating shaft of closing and the junction of a wheel hub, to avoid the oil body in the motor from passing through institute
Junction is stated to ooze out into outside the motor rotor.
The motor rotor of the embodiment of the present invention includes：One rotating shaft, the rotating shaft are respectively one in the both ends on an axial direction
First end and a second end；And a wheel hub, the wheel hub are coated on outside the first end by injection molding mode
Week, the wheel hub are provided with a depressed part, and the depressed part axially aligns along this with the first end；Wherein, axially vertical with this
Radially, the depressed part adjacent to the part of the first end internal diameter, less than the external diameter of the first end.
Wherein, an outer peripheral face of the rotating shaft extends to the second end by the first end, and the wheel hub closes the rotating shaft
Outer peripheral face and the wheel hub junction, so as to ensuring that oil body will not be oozed out into outside the motor rotor by the junction
Portion.
Wherein, the depressed part of the wheel hub has first distance, this turn with the second end of the rotating shaft on the axial direction
The first end of axle has a second distance with the second end on the axial direction, and first distance is equal to the second distance.
Whereby, the rotating shaft can directly be abutted with an instrument, to limit its position so that the wheel hub can before the wheel hub is molded
By injection molding mode, the rotating shaft periphery is coated on, and, it is ensured that the length that the rotating shaft is convexedly stretched in outside the wheel hub, meet pre-
Set pattern lattice, to lift the manufacture accuracy of the motor rotor.
Wherein, the depressed part of the wheel hub has first distance, this turn with the second end of the rotating shaft on the axial direction
The first end of axle has a second distance with the second end on the axial direction, and first distance is more than the second distance.
Whereby, the wheel hub can completely coat the first end, the first end is formed in the wheel hub and form enclosed construction, can
Prevent the first end from aoxidizing or being stained, further lift the obturation effect of the motor rotor.
Wherein, the depressed part is arranged at an outer surface of the wheel hub, and the second end of the outer surface and the rotating shaft is at this
There is a ultimate range, the ultimate range is more than first distance on axial direction.Whereby, it can be ensured that the wheel hub has on the axial direction
There is enough thickness, for closing the junction of the outer peripheral face of the rotating shaft and the wheel hub.
Wherein, the rotating shaft is provided with an embossed channel in the position of the neighbouring first end, and the wheel hub coats the embossed channel.Borrow
This, the wheel hub when being coated on the rotating shaft periphery, can coat the embossed channel simultaneously, to lift the wheel by injection molding mode
Hub and the bond strength of the rotating shaft.
A kind of motor, provided with motor rotor as described above, and also include：One stator, the stator include a pedestal,
The pedestal is provided with a central siphon, and the second end of the rotating shaft is arranged in the central siphon.
Wherein, an oiliness bearing is provided with the central siphon, the rotating shaft can rotatably be incorporated into the oiliness bearing.Whereby,
The motor rotor can rotate relative to the stator.
A kind of fan, including motor as described above, and also include：Multiple blades, each blade are arranged at the motor rotor
Hub periphery.Whereby, each blade wind dispelling can be utilized when the motor rotor rotates, to produce air-flow.
It follows that the motor rotor of the embodiment of the present invention is in the wheel hub by being provided with depressed part, and make the depressed part
Internal diameter be less than the rotating shaft first end external diameter, the outer peripheral face of the rotating shaft and the junction of the wheel hub can be closed, entered
And ensure that the oil body in oiliness bearing will not be oozed out into outside the motor rotor by the junction, extend the horse to reach
The effect of service life of motor up to rotor, provided with the motor rotor or the fan including the motor.
Brief description of the drawings
Fig. 1：The structure sectional view of prior art motor rotor；
Fig. 2：The section view of the embodiment of motor rotor of the present invention, the motor provided with the motor rotor and the fan including the motor is shown
It is intended to；
Fig. 3：The partial enlargement schematic cross-sectional view of motor rotor embodiment of the present invention；
Fig. 4：The view of rotating shaft is connected to before the wheel hub shaping of motor rotor embodiment of the present invention with an instrument；
Fig. 5：The state for the scope of activities for limiting rotating shaft before the wheel hub shaping of motor rotor embodiment of the present invention with an instrument is shown
It is intended to；
Fig. 6：The wheel hub of motor rotor embodiment of the present invention completely coats the schematic cross-sectional view of the first end of rotating shaft.
Description of reference numerals
（The present invention）
1 motor rotor
The first end of 11 rotating shaft 111
The outer peripheral face of 112 the second end 113
114 embossed channels
The depressed part of 12 wheel hub 121
The inner surface of 122 outer surface 123
124 permanent magnet groups
2 stators
The central siphon of 21 pedestal 211
The iron core of 22 oiliness bearing 23
24 coil groups
3 blades
X axial directions Y is radially
R1 internal diameter R2 external diameters
T instruments the first distances of A
B second distance C ultimate ranges
（Prior art）
9 motor rotors
The end of 91 rotating shaft 911
The depressed part of 92 wheel hub 921
93 blades.
Embodiment
It is hereafter special to enumerate the present invention's to enable above and other objects, features and advantages of the invention to become apparent
Preferred embodiment, and accompanying drawing appended by cooperation, are described in detail below：
It refer to shown in Fig. 2, the motor rotor 1 of one embodiment of the invention includes a rotating shaft 11 and a wheel hub 12, the wheel hub
12 are arranged at the periphery of rotating shaft 11.
The rotating shaft 11 extends along an axial X, and the rotating shaft 11 is respectively a first end 111 in the both ends on the axial X
And a second end 112, an outer peripheral face 113 of the rotating shaft 11 extend to the shape of the second end 112 by the first end 111
Into.The rotating shaft 11 is preferably by the higher material of structural strength（Such as：Metal）It is made, but is not limited.
The wheel hub 12 is coated on the periphery of first end 111, the wheel hub 12 is provided with a depression by injection molding mode
Portion 121, the depressed part 121 can be arranged at an outer surface 122 of the wheel hub 12, and the depressed part 121 along the axial X and is somebody's turn to do
First end 111 aligns.In addition, the wheel hub 12 can set one forever in an inner surface 123 relative with the outer surface 122
Long group of magnets 124.
Please with reference to shown in Fig. 3, on the radial direction Y vertical with the axial X, the depressed part 121 is adjacent to the first end
The internal diameter R1 of 111 part is less than the external diameter R2 of the first end 111.Whereby, the outer peripheral face 113 of the rotating shaft 11 and the wheel hub 12
Junction by formed close.
By said structure, the motor rotor 1 of the embodiment is available for being arranged in a motor, and the motor also includes one
Individual stator 2, the stator 2 include a pedestal 21, and the pedestal 21 is provided with the central siphon 211 extended along the axial X, the central siphon
An oiliness bearing 22 is provided with 211, the second end 112 of the rotating shaft 11 may pass through the oiliness bearing 22, to be arranged at the axle
In pipe 211, the rotating shaft 11 is set to be rotatably engaged in the oiliness bearing 22.Also, the stator 2 can be provided with an iron core
23, the iron core 23 can be fixed on the periphery of central siphon 211, and gas is formed between the permanent magnet group 124 of the iron core 23 and the wheel hub 12
Gap, and the periphery of iron core 23 can be with one coil group 24 of winding.Whereby, the iron core 23 of the stator 2 can be logical in the coil group 24
After electricity, produce magnetic with the permanent magnet group 124 and interlink sensing to drive the wheel hub 12, enable the motor rotor 1 fixed with respect to this
Son 2 rotates.
Wherein, when the motor rotor 1 of the embodiment is intended to be applied to a fan, the periphery of wheel hub 12 of the motor rotor 1 can
With can be integrally formed with the wheel hub 12 provided with multiple blades 3, each blade 3, the motor rotor 1, the stator 2 can with each blade 3
To collectively form the fan.Each blade 3 and an impeller of the motor rotor 1 as the fan so that the motor rotor 1 rotates
When can utilize each wind dispelling of blade 3, to produce air-flow.
The motor rotor 1 of the embodiment of the present invention is by making the internal diameter R1 of the depressed part 121 of the wheel hub 12 be less than the rotating shaft 11
First end 111 external diameter R2 structure, the outer peripheral face 113 of the rotating shaft 11 and the junction of the wheel hub 12 can be closed,
And then ensure that the oil body in the oiliness bearing 22 will not be oozed out into by the junction outside the motor rotor 1.
Refer to shown in Fig. 4, in the manufacturing process of the motor rotor 1 of the embodiment, can before the wheel hub 12 is molded, with
One instrument T（Such as：Thimble）It is connected to the first end 111 of the rotating shaft 11.Whereby, instrument T can directly abut this turn
Axle 11, to limit its position so that the wheel hub 12 can be coated on the periphery of rotating shaft 11 by injection molding mode, and really
Protect the length that part of the rotating shaft 11 with the second end 112 is convexedly stretched in outside the wheel hub 12 and meet predetermined dimension, should with lifting
The manufacture accuracy of motor rotor 1.
Continue referring to shown in Fig. 2, because instrument T is connected to the first end 111 of the rotating shaft 11, and to shape this
The plastics of wheel hub 12 can not fill the position where instrument T, the depressed part 121 of the wheel hub 12 and the second end of the rotating shaft 11
112 have a first distance A on the axial X, and the first end 111 of the rotating shaft 11 is with the second end 112 in the axial X
It is upper that there is a second distance B, first distance A to be equal to second distance B；In other words, the first end 111 passes through the depression
Portion 121 is connected outside the motor rotor 1 so that the wheel hub 12 coats a part for the first end 111.
But refer to shown in Fig. 5, the motor rotor 1 of the embodiment in the fabrication process, if the rotating shaft 11 convexedly stretches in this
A nargin be present in the length outside wheel hub 12（Such as the length that the rotating shaft 11 is convexedly stretched in outside the wheel hub 12 only needs to make a reservation for more than one
Numerical value meets demand）, then an instrument T can be fixed on and the first end of the rotating shaft 11 111 before the wheel hub 12 is molded
Position with a gap.Whereby, instrument T can limit the scope of activities of the rotating shaft 11, make the rotating shaft 11 along the axial X
At most with the instrument T-shaped into abutting when mobile, therefore instrument T can still limit the position of the rotating shaft 11, to ensure the rotating shaft 11
The length that part with the second end 112 is convexedly stretched in outside the wheel hub 12 is more than the predetermined value.
It refer to shown in Fig. 6, if instrument T and the first end 111 of the rotating shaft 11 keep the gap（I.e. the rotating shaft 11 is simultaneously
Not with the instrument T-shaped into abutting）, then can will be filled between instrument T and first end 111 to shape the plastics of the wheel hub 12
Gap so that the wheel hub 12 is by injection molding mode, after being coated on the periphery of rotating shaft 11, first distance A be more than this second away from
From B；In other words, the wheel hub 12 can completely coat the first end 111.Whereby, the first end 111 is also in the wheel hub 12
Enclosed construction is formed, can prevent the first end 111 from aoxidizing or being stained, further lift the obturation effect of the motor rotor 1.
Also, the second end 112 of the outer surface 122 of the wheel hub 12 and the rotating shaft 11 has one most on the axial X
Distance C greatly, ultimate range C are more than first distance A.Whereby, it can be ensured that the wheel hub 12 has enough thickness on the axial X
Degree, for closing the junction of the outer peripheral face 113 of the rotating shaft 11 and the wheel hub 12.
In addition, the rotating shaft 11 of the motor rotor 1 of the embodiment is in the position of the neighbouring first end 111, Ke Yishe
There is an embossed channel 114, the wheel hub 12 coats the embossed channel 114.Whereby, the wheel hub 12 is coated on by injection molding mode
During 11 periphery of rotating shaft, the embossed channel 114 can be coated simultaneously, to lift the bond strength of the wheel hub 12 and the rotating shaft 11.
In summary, the motor rotor 1 of the embodiment of the present invention in the wheel hub 12 by being provided with depressed part 121, and makes this
The internal diameter R1 of depressed part 121 is less than the external diameter R2 of the first end 111 of the rotating shaft 11, can close the outer peripheral face of the rotating shaft 11
113 with the junction of the wheel hub 12, and then ensure that the oil body in the oiliness bearing 22 will not be oozed out by the junction
To the motor rotor 1.The oil body in the oiliness bearing of foregoing prior art motor rotor 9 is compared, the end may be passed through
The structure that the junction of the outer peripheral face in portion 911 and the wheel hub 92 is oozed out into outside the motor rotor 9, the horse of the embodiment of the present invention
Up to rotor 1 oil leak can actually be avoided to cause to be stained or prevent from producing loosening between the rotating shaft 11 and the wheel hub 12, have and extend
The effect of service life of the motor rotor 1, the motor provided with the motor rotor 1 or the fan including the motor.
Claims (10)
- A kind of 1. motor rotor, it is characterised in that including：One rotating shaft, the rotating shaft are respectively a first end and a second end in the both ends on an axial direction；AndOne wheel hub, the wheel hub are coated on the first end periphery, the wheel hub is provided with a depression by injection molding mode Portion, the depressed part axially align along this with the first end；Wherein, axially vertical radially with this, internal diameter of the depressed part adjacent to the part of the first end be less than this first The external diameter of end.
- 2. external-rotor motor as claimed in claim 1 a, it is characterised in that outer peripheral face of the rotating shaft is by the first end The second end is extended to, the wheel hub closes the outer peripheral face of the rotating shaft and the junction of the wheel hub.
- 3. external-rotor motor as claimed in claim 1, it is characterised in that the depressed part of the wheel hub and the second end of the rotating shaft Portion has first distance on the axial direction, and the first end of the rotating shaft has on the axial direction one the with the second end Two distances, first distance are equal to the second distance.
- 4. external-rotor motor as claimed in claim 1, it is characterised in that the depressed part of the wheel hub and the second end of the rotating shaft Portion has first distance on the axial direction, and the first end of the rotating shaft has on the axial direction one the with the second end Two distances, first distance are more than the second distance.
- 5. the motor rotor as described in claim 3 or 4, it is characterised in that the depressed part is arranged at an appearance of the wheel hub Face, the second end of the outer surface and the rotating shaft have a ultimate range on the axial direction, the ultimate range more than this first Distance.
- 6. motor rotor as claimed in claim 1, it is characterised in that the rotating shaft is provided with the position of the neighbouring first end One embossed channel, the wheel hub coat the embossed channel.
- 7. a kind of motor, it is characterised in that provided with the motor rotor as described in claim 1,2,3,4 or 6, and also include：One stator, the stator include a pedestal, and the pedestal is provided with a central siphon, and the second end of the rotating shaft is arranged at the axle Guan Zhong.
- 8. motor as claimed in claim 7, it is characterised in that be provided with an oiliness bearing in the central siphon, the rotating shaft can revolve It is incorporated into the oiliness bearing with turning.
- 9. a kind of fan, it is characterised in that including the motor described in claim 7, and also include:Multiple blades, each blade are arranged at the hub periphery of the motor rotor.
- 10. a kind of fan, it is characterised in that including the motor described in claim 8, and also include:Multiple blades, each blade are arranged at the hub periphery of the motor rotor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105123937A TWI602384B (en) | 2016-07-28 | 2016-07-28 | Motor, fan and rotor thereof |
| TW105123937 | 2016-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107666190A true CN107666190A (en) | 2018-02-06 |
Family
ID=61011215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610652197.6A Pending CN107666190A (en) | 2016-07-28 | 2016-08-11 | Motor, fan and rotor thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107666190A (en) |
| TW (1) | TWI602384B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577628A (en) * | 2019-02-19 | 2020-08-25 | 金士盾科技股份有限公司 | Air convection station using shaftless fan |
| CN112524087A (en) * | 2019-09-19 | 2021-03-19 | 佛山市建准电子有限公司 | Fan wheel and cooling fan with same |
| CN113339287A (en) * | 2021-05-31 | 2021-09-03 | 势加透博（北京）科技有限公司 | Turbo compressor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI657646B (en) * | 2018-02-09 | 2019-04-21 | 華碩電腦股份有限公司 | Heat dissipation apparatus |
| TWI689155B (en) * | 2018-12-17 | 2020-03-21 | 建準電機工業股份有限公司 | Outer-rotor motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111577628A (en) * | 2019-02-19 | 2020-08-25 | 金士盾科技股份有限公司 | Air convection station using shaftless fan |
| CN112524087A (en) * | 2019-09-19 | 2021-03-19 | 佛山市建准电子有限公司 | Fan wheel and cooling fan with same |
| CN112524087B (en) * | 2019-09-19 | 2022-08-16 | 北海建准电子有限公司 | Fan wheel and cooling fan with same |
| CN113339287A (en) * | 2021-05-31 | 2021-09-03 | 势加透博（北京）科技有限公司 | Turbo compressor |
| CN113339287B (en) * | 2021-05-31 | 2022-06-10 | 势加透博（北京）科技有限公司 | Turbo compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI602384B (en) | 2017-10-11 |
| TW201804713A (en) | 2018-02-01 |
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Application publication date: 20180206 |